/* === Floating pill nav (roar-inspired) === */

.nav {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  opacity: 0;
  transform: translateY(-12px);
  animation: nav-in 0.8s var(--ease-out) 0.1s forwards;
}

@keyframes nav-in {
  to { opacity: 1; transform: none; }
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  width: 100%;
  max-width: 920px;
  padding: 8px;
  background: rgba(0,0,0,0.78);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line-subtle);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.8);
}

.nav-home {
  background: rgba(255,255,255,0.05);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-1);
  transition: all var(--dur-fast) var(--ease-out);
}
.nav-home:hover { background: rgba(255,255,255,0.10); color: var(--fg-0); }

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  color: var(--fg-0);
  font-family: var(--font-serif-cn);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1;
}
.nav-brand-en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--fg-2);
  margin-left: 4px;
  text-transform: uppercase;
}
.nav-status-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--gold-glow);
  animation: nav-pulse 2.2s ease-in-out infinite;
}
@keyframes nav-pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2px;
}
@media (min-width: 900px) {
  .nav-links { display: flex; }
}
.nav-links a {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-2);
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-links a:hover { color: var(--fg-0); }
.nav-links a.is-active { color: var(--gold); }

.nav-cta {
  padding: 10px 18px;
  background: var(--fg-0);
  color: var(--bg-0);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-cta::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}
.nav-cta > span { position: relative; z-index: 1; }
.nav-cta:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 32px;
  padding: 9px 7px;
  background: rgba(255,255,255,0.05);
}
.nav-toggle span {
  width: 100%;
  height: 1px;
  background: var(--fg-1);
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-toggle span:nth-child(2) { width: 70%; align-self: flex-end; }
@media (min-width: 900px) {
  .nav-toggle { display: none; }
}

.nav-lang {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-2);
  border: 1px solid var(--line-subtle);
  background: transparent;
  transition: all var(--dur-fast) var(--ease-out);
}
.nav-lang:hover { color: var(--fg-0); border-color: var(--line-medium); }

.nav-drawer {
  position: fixed;
  inset: 80px 16px auto 16px;
  z-index: 99;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-subtle);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.nav-drawer.is-open { opacity: 1; transform: none; pointer-events: auto; }
.nav-drawer a {
  padding: 14px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg-1);
  border-bottom: 1px solid var(--line-subtle);
}
.nav-drawer a:last-child { border-bottom: 0; }